Helmet



FIG. 1 is a right perspective view of a helmet showing our new design;

FIG. 2 is a left side elevational view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof.

The conventional chin strap as seen in FIGS. 1-4 and 6 is fragmented for the convenience of illustration. 

The ornamental design for a helmet, substantially as shown and described. 